1009364138 has 32 divisors (see below), whose sum is σ = 1561301136. Its totient is φ = 489259008.

The previous prime is 1009364129. The next prime is 1009364141. The reversal of 1009364138 is 8314639001.

1009364138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 7198489 + 1002165649 = 2683^2 + 31657^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1009364098 and 1009364107.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3183956 + ... + 3184272.

Almost surely, 2^1009364138 is an apocalyptic number.

1009364138 is a deficient number, since it is larger than the sum of its proper divisors (551936998).

1009364138 is a wasteful number, since it uses less digits than its factorization.

1009364138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 1009364138 is about 31770.4916235176. The cubic root of 1009364138 is about 1003.1116866962. Note that the first 3 decimals are identical.

The spelling of 1009364138 in words is "one billion, nine million, three hundred sixty-four thousand, one hundred thirty-eight".